A magnetometer measures the local magnetic field, typically across three axes, in units such as microtesla or gauss. By tracking how that field is distorted by nearby ferrous metal, the sensor can infer the presence, movement, or orientation of objects without any physical contact.
LoRaWAN magnetometer devices process raw field readings on board and transmit compact status or vector data over the long-range, low-power network. Many use event-driven reporting, sending an uplink only when a threshold is crossed, which conserves battery while keeping data current. Typical applications include:
- Smart parking and curbside occupancy detection
- Vehicle counting and gate or barrier monitoring
- Asset, container, and ferrous-object presence sensing
- Tamper, intrusion, and door-state detection
When comparing devices, weigh detection sensitivity and the number of axes, sampling and reporting intervals, event-trigger logic, and battery life. For outdoor or in-ground installations, check the enclosure (IP) rating and operating temperature. Confirm the supported regional frequency plans and that a documented payload codec is available for straightforward integration.
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✓ CERTCOMFORT - Smart Room Sensor - Base
The TEKTELIC Smart Room Sensor (Base Edition) is a multi-purpose LoRaWAN® end device suitable for home and …
DO200 - Parking Occupancy Sensor
The CNDingtek do200 is parking occupation sensor with combination of ultrasonic and magnetic detection , fire …
DO201 - Parking Occupancy Sensor
The CNDingtek do201 is parking occupancy sensor with combination of ultrasonic and magnetic detection, …
DO202 - Parking Occupancy Sensor
The CNDingtek do202 is parking occupancy sensor with combination of microwave radar and magnetic detection, …
✓ CERTDoor/Window Sensor
The Browan Door/Window sensor integrates a hall-effect sensor for detecting the opening and closing of doors, …
EL - Air Quality Sensor
Environment Sensor
LDS01
The Dragino LDS01 consists of a magnetic sensor for detecting the opening and closing of doors, windows, …
✓ CERTLDS01 - Door Sensor
The Dragino LDS01 consists of a magnetic sensor for detecting the opening and closing of doors, windows, …
✓ CERTLDS02 - Door Sensor
LoRaWAN Door Sensor
✓ CERTLoRaWAN® window sensor and contact interface
The dnt LoRaWAN® window sensor and contact interface can detect the state of a window of a door (open/closed) …
MERLIN 868 HB-G3 - Water Meter
The Merlin 868 HB-G3 LoRaWAN® module consists of a pulse/hall effect sensor that is suitable for both the …
Open/Close Sensor
MClimate Open/Close Sensor LoRaWAN® is a device detecting the event of opening or closing windows, doors, …
✓ CERTParking Lot Sensor
The BOSCH wireless smart parking sensor is a LoRaWAN® end device that uses a magnetometer and radar which are …
✓ CERTSLG-I3 Parking Sensor
Cicicom's LoRaWAN smart parking sensor SL-G-I3 accurately detects parking events, by utilizing cutting-edge …
Smart Car Counter G4 FM
The wireless passing vehicle counting sensor 99.5% counting accuracy , low profile - 20mm.
Smart Car Counter G4 SM
The wireless passing vehicle counting sensor 99.5% counting accuracy , low profile - 20mm.
Smart Parking Sensor
The Nwave Smart Parking Sensor is equipped with a magnetometer, temperature, and proximity sensors for parking …
Smart Parking Sensor G4 FM
The wireless vehicle detection sensor with high detection accuracy 99.7%, fast detection 3-5 seconds, low …
Smart Parking Sensor G4 SM
The wireless vehicle detection sensor with high detection accuracy 99.7%, fast detection 3-5 seconds, low …
✓ CERTSmart Room Sensor - PIR
The TEKTELIC Kona Smart Room Sensor (PIR Edition) is a multi-purpose LoRaWAN® end device suitable for home and …
✓ CERTStrips - Multisensor
Strips multisensor by Sensative AB
TEKZIPARK
The TEKZITEL TEKZIPARK is a smart parking sensor that uses radar technology. It enables occupancy status …
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Frequently asked questions
What does a LoRaWAN magnetometer sensor measure?
A magnetometer measures the strength and direction of the magnetic field around it, usually on three axes (X, Y, Z). LoRaWAN devices use these readings to detect when a large ferrous object, such as a vehicle, enters or leaves the field, and to derive orientation or compass heading.
How are magnetometer sensors used in smart parking?
Mounted in or on the road surface, a magnetometer registers the magnetic disturbance caused by a car parked above it. The device reports occupied/vacant status over LoRaWAN, letting parking systems track space availability without cameras or wired loops.
What should I compare when choosing one?
Look at detection sensitivity and axes, reporting interval and event triggering, battery life, IP/enclosure rating for outdoor or buried use, supported regional frequency plans, and whether a ready-made payload codec is provided.